package cn.sinata.wanglin.json;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.TypeAdapter;
import com.google.gson.reflect.TypeToken;

import java.lang.annotation.Annotation;
import java.lang.reflect.Type;

import okhttp3.RequestBody;
import okhttp3.ResponseBody;
import retrofit2.Converter;
import retrofit2.Retrofit;

/**
 * 自定义gson解析converter
 * Created by liaoxiang on 16/6/21.
 */
public class JsonConverterFactoryNoDes extends Converter.Factory {

    public static JsonConverterFactoryNoDes create() {
        GsonBuilder builder = new GsonBuilder().serializeNulls();
//        builder.registerTypeAdapterFactory(new IReflectiveTypeAdapterFactory());
        return create(builder.create());
    }

    public static JsonConverterFactoryNoDes create(Gson gson) {
        return new JsonConverterFactoryNoDes(gson);

    }

    private final Gson gson;

    private JsonConverterFactoryNoDes(Gson gson) {
        if (gson == null) throw new NullPointerException("gson == null");
        this.gson = gson;
    }


    @Override
    public Converter<ResponseBody, ?> responseBodyConverter(Type type, Annotation[] annotations,
                                                            Retrofit retrofit) {

        TypeAdapter<?> adapter = gson.getAdapter(TypeToken.get(type));
        return new JsonResponseBodyConverterNoDes<>(gson, adapter); //响应
    }

    @Override
    public Converter<?, RequestBody> requestBodyConverter(Type type,
                                                          Annotation[] parameterAnnotations, Annotation[] methodAnnotations, Retrofit retrofit) {
        TypeAdapter<?> adapter = gson.getAdapter(TypeToken.get(type));
        return new JsonRequestBodyConverter<>(gson, adapter); //请求
    }
}
